117566446 has 16 divisors (see below), whose sum is σ = 182550528. Its totient is φ = 56727000.

The previous prime is 117566399. The next prime is 117566447. The reversal of 117566446 is 644665711.

It is a junction number, because it is equal to n+sod(n) for n = 117566399 and 117566408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117566447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21271 + ... + 26221.

It is an arithmetic number, because the mean of its divisors is an integer number (11409408).

Almost surely, 2^117566446 is an apocalyptic number.

117566446 is a deficient number, since it is larger than the sum of its proper divisors (64984082).

117566446 is a wasteful number, since it uses less digits than its factorization.

117566446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5367.

The product of its digits is 120960, while the sum is 40.

The square root of 117566446 is about 10842.8061865921. The cubic root of 117566446 is about 489.8853626033.

The spelling of 117566446 in words is "one hundred seventeen million, five hundred sixty-six thousand, four hundred forty-six".